/*
 *  Copyright (C) 2010-2013 JPEXS
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.decompiler.flash.abc.avm2.treemodel;

import com.jpexs.decompiler.flash.abc.avm2.ConstantPool;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.treemodel.clauses.FilterTreeItem;
import com.jpexs.decompiler.flash.ecma.Undefined;
import com.jpexs.decompiler.flash.graph.GraphTargetItem;
import com.jpexs.decompiler.flash.helpers.Helper;
import java.util.HashMap;
import java.util.List;

public class LocalRegTreeItem extends TreeItem {

    public int regIndex;
    public GraphTargetItem computedValue;

    public LocalRegTreeItem(AVM2Instruction instruction, int regIndex, GraphTargetItem computedValue) {
        super(instruction, PRECEDENCE_PRIMARY);
        this.regIndex = regIndex;
        if (computedValue == null) {
            //computedValue = new UndefinedTreeItem(instruction);
        }
        this.computedValue = computedValue;
    }

    @Override
    public String toString(ConstantPool constants, HashMap<Integer, String> localRegNames, List<String> fullyQualifiedNames) {
        if (computedValue instanceof FilterTreeItem) {
            return computedValue.toString(Helper.toList(constants, localRegNames, fullyQualifiedNames));
        }
        return hilight(localRegName(localRegNames, regIndex));
    }

    @Override
    public GraphTargetItem getThroughRegister() {
        if (computedValue == null) {
            return this;
        }
        return computedValue.getThroughRegister();
    }

    @Override
    public Object getResult() {
        if (computedValue == null) {
            return new Undefined();
        }
        return computedValue.getResult();

    }

    @Override
    public boolean isCompileTime() {
        if (computedValue == null) {
            return false;
        }
        return computedValue.isCompileTime();
    }
}
